A42 G74 Battery

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

25 来源

The 'a42 g74 battery' refers to a high-capacity lithium-ion replacement battery designed for the ASUS ROG G74 series gaming laptops, primarily the G74SX, G74SW, and G74JH models. Despite the G74 series being released over a decade ago (circa 2011), it maintains a robust "long-tail" replacement market due to its exceptional build quality and serviceability, which allows users to keep these "tank-like" desktop replacements functional for modern office tasks and light gaming. Drbattery Asus

Technical Specifications & Market Offerings

The A42-G74 is an 8-cell battery, which is essential for powering the high-wattage components of the ROG gaming line. While the original OEM capacity was roughly 5200mAh (75Wh), the aftermarket currently offers two main tiers of performance: Greencell Amazon Alibaba

* Standard Tier (4400mAh / 63Wh): Often found at lower price points ($30–$40 retail; ~$10–$12 wholesale). Alibaba Alibaba

* Performance Tier (5200mAh / 74–75Wh): Matches original specs, utilizing higher-density cells to provide longer runtime for power-hungry G74 units. Newegg Alibaba

* Voltage Consistency: Standard units operate at 14.4V, though many are cross-compatible with 14.8V systems. Ebay Greencell

Market Trends & User Insights

* The "Stay Alive" Investment: Users typically seek these batteries not for portable use, but as a "UPS" (Uninterruptible Power Supply) to prevent data loss during power flickers, as many original G74 batteries now hold less than 5 minutes of charge. Asus

* Third-Party Dominance: Since ASUS no longer stocks official OEM replacements, the market is entirely served by third-party brands like Green Cell and Dr. Battery, or direct-from-factory unbranded units. Drbattery Asus

* Quality Variance: Reviews indicate high price sensitivity; however, the cheapest units ($30 range) often suffer from rapid capacity degradation, leading enthusiasts to prefer specialized battery brands that offer 12-month warranties. Asus

B2B Sourcing Overview

For wholesale buyers, the A42-G74 remains readily available through Shenzhen and Dongguan-based manufacturers specializing in legacy laptop components. Bulk pricing for 100+ units can drop to approximately $9–$17 per unit, compared to the $40–$70 retail price, representing a high-margin niche for specialist repair distributors. Alibaba Alibaba

Here are the market insights and sourcing options for A42-G74 batteries. You can proceed with:

Sources & References

25 sources cited · Verified industry data & reports

CQCQ A42-G74 G74 G74-4S2P Compatible Battery ...

Amazon.com

CQCQ A42-G74 G74 G74-4S2P Compatible Battery Replacement for Asus G74 G74JH G74S G74SW G74SX G74J ICR18650-26F 8Cell Laptop (14.4V 75Wh/5200mAh).

Asus G74SX G74S G74JH G74SW G74 G74J LC42SD128 ...

Dr Battery

Compatible Battery Regular price $39.00 USD. Brand Asus Capacity 4400mAh / 63Wh Cell Type Conventional Li. ORIGINAL PART NUMBERS A42-G74. Regular price $39.00 ...

A42-G74 Laptop Battery 74Wh 5200mAh 8-Cells 14.4V ...

Newegg

Voltage: 14.4V / Capacity: 74Wh 5200mAh 8-Cells / Color: Black ・ 128 Compatible with Laptop Models For Asus G74 G74J ・ 4V Battery Type: Li-ion Condition: ...

SeagullStar 8Cell 14.4V Laptop Battery for Asus G74 Series

AliExpress

A42-G74 Laptop … compatible with Asus laptops such as G74, G74J, G74JH, G74S, G74SW, and G74SX. Battery Type: Li-ion Voltage : 14.4V Label Capacity: 5200mAh ...

A42-G74 Battery for Asus A42-G74 G74 G74J G74JH ...

eBay

Specification: Type: Li-ion. Voltage: 14.4V Cells: 8 cells. Capacity: 5200mAh. Warranty:12 month. Compatible Part Number: For ASUS A42-G74 ICR18650-26F ...

Asus A42-G74 G74 G74J G74S Battery 4400mAh

NextBatteries.com

This 4400mAh Laptop Replacement Battery Compatible with G74, G74J and Replaces A42-G74, ICR18650-26F. 4400mAh Li-ion 14.4 121.00 x 114.20 x 21.00mm New $69.80